The Red Cross Barge by Marie Belloc Lowndes

At last the Herr Doktor got up from his chair. Unnoticed by the others, he slipped out into the cooler air outside. The courtyard, shaded by high horse chestnut trees, was now crowded with good-humoured German cavalry-men waiting, patiently enough, for the savoury meal which Madame Blanc and her two anxious-faced young daughters were engaged in preparing for them.

As the Herr Doktor walked quickly over to the other side of the quadrangle, the soldiers respectfully made way for him, and he stood, for a few moments unnoticed, on the threshold of the big kitchen of the Tournebride. To eyes already war-worn it was a pleasant sight.